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2018 | 25 | 1 |

Tytuł artykułu

Investigation method and mathematical model of pressure losses in hydraulic rotary motor

Autorzy

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
This paper presents a way of determining the coefficient k8 of the pressure losses ΔpMp (flow drag) in internal ducts of SWSB-63 hydraulic motor. The coefficient is determined at a flow rate equal to the theoretical capacity QPt of the pump feeding the motor , the losses are related to the nominal pressure pn in the hydraulic system. The investigations followed a model of energy performance of hydraulic rotary motor, proposed by Z. Paszota

Słowa kluczowe

Wydawca

-

Rocznik

Tom

25

Numer

1

Opis fizyczny

p.93-98,fig.,ref.

Twórcy

autor
  • Gdansk University of Technology, 11/12 Narutowicza St., 80-233 Gdansk, Poland

Bibliografia

  • 1. Balawender A., Osiecki A., Paszota Z., Klimkiewicz W., Ciepielowski J.: Tests of SWSB-63 large-torque mediumpressure hydraulic motor ( in Polish). Scientific research work, Gdańsk 1972
  • 2. Czyński M.: Laboratory tests of a model of energy efficiency of hydrostatic transmission ( in Polish). Doctor’s degree thesis. Szczecin University of Technology. Faculty of Ship Engineering. Szczecin 2005
  • 3. Koralewski J.: Impact of viscosity on energy losses in changeable capacity piston pump ( in Polish). Essential report on the promoting research project No. N N504 4684 33, ?
  • 4. Maczyszyn A., Energy analysis of construction of displacement rotary machines applicable to hydrostatic transmissions ( in Polish ). Doctor’s degree thesis, Gdańsk University of Technology, Faculty of Ocean Engineering and Ship Technology, Gdańsk 2014
  • 5. Maczyszyn A.: Evaluation of losses in a hydraulic motor based on the SWSB - 63 motor tests. Polish Maritime Research, Vol. 17, No 4, 2010, pp. 46-53,
  • 6. Paszota Z. : Aspects energetiques des transmissions hydrostatiques ( in French) . Publ. Gdańsk University of Technology, Gdańsk 2002
  • 7. Paszota Z., Energy losses in hydrostatic drive. Drive investigation method compatible with diagram of power increase opposite to the direction of power flow . Lambert Academic Publishing, Saarbrucken 2016
  • 8. Skorek G.: Laboratory tests of pressure losses in displacement pump ( in Polish), Hydraulika i Pneumatyka 2, 2005.
  • 9. Stryczek S.: Hydrostatic drive, Vol. 2 : Systems ( in Polish), Scientific Technical Publishers (WNT) , Warsaw 1997
  • 10. Sliwinski P.: New satellite pumps. Key Engineering Materials, No. 490/2012
  • 11. Sliwinski P.: The basics of design and experimental tests of the commutation unit of a hydraulic satellite motor. Archives of Civil and Mechanical Engineering, No. 16/2016, DOI:1016/j.acme.2016.04.003.
  • 12. Sliwinski P.: The flow of liquid in flat gaps of satellite motors working mechanism. Polish Maritime Research, 2, 2014.
  • 13. Sliwinski P.: The influence of water and mineral oil on volumetric losses in a hydraulic motor. Polish Maritime Research, Special issue S1 (93), Vol. 24, 2017, DOI: 10.1515/ pomr-2017-0041.
  • 14. Sliwinski P.: The influence of water and mineral oil on mechanical losses in hydraulic motor. Chinese Journal of Mechanical Engineering. (article in print).

Typ dokumentu

Bibliografia

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